package br.com.educa.modelo.acl;

import flexjson.JSONDeserializer;
import flexjson.JSONSerializer;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.PersistenceContext;
import javax.persistence.Table;
import javax.persistence.TypedQuery;
import javax.validation.constraints.NotNull;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.roo.addon.javabean.RooJavaBean;
import org.springframework.roo.addon.jpa.activerecord.RooJpaActiveRecord;
import org.springframework.roo.addon.json.RooJson;
import org.springframework.roo.addon.serializable.RooSerializable;
import org.springframework.roo.addon.tostring.RooToString;
import org.springframework.transaction.annotation.Transactional;

@Entity
@Configurable
@RooJavaBean
@RooToString
@RooSerializable
@Table(name = "acl_class")
@RooJson
@RooJpaActiveRecord(versionField = "", finders = { "findAclClassesByClazzEquals" })
public class AclClass implements Serializable {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id")
    private Long id;

    @Column(name = "class", length = 255)
    @NotNull
    private String clazz;

    @PersistenceContext
    transient EntityManager entityManager;

    private static final long serialVersionUID = 1L;

    public Long getId() {
        return this.id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getClazz() {
        return this.clazz;
    }

    public void setClazz(String clazz) {
        this.clazz = clazz;
    }

    public static final EntityManager entityManager() {
        EntityManager em = new AclClass().entityManager;
        if (em == null) throw new IllegalStateException("Entity manager has not been injected (is the Spring Aspects JAR configured as an AJC/AJDT aspects library?)");
        return em;
    }

    public static long countAclClasses() {
        return entityManager().createQuery("SELECT COUNT(o) FROM AclClass o", Long.class).getSingleResult();
    }

    public static List<br.com.educa.modelo.acl.AclClass> findAllAclClasses() {
        return entityManager().createQuery("SELECT o FROM AclClass o", AclClass.class).getResultList();
    }

    public static br.com.educa.modelo.acl.AclClass findAclClass(Long id) {
        if (id == null) return null;
        return entityManager().find(AclClass.class, id);
    }

    public static List<br.com.educa.modelo.acl.AclClass> findAclClassEntries(int firstResult, int maxResults) {
        return entityManager().createQuery("SELECT o FROM AclClass o", AclClass.class).setFirstResult(firstResult).setMaxResults(maxResults).getResultList();
    }

    @Transactional
    public void persist() {
        if (this.entityManager == null) this.entityManager = entityManager();
        this.entityManager.persist(this);
    }

    @Transactional
    public void remove() {
        if (this.entityManager == null) this.entityManager = entityManager();
        if (this.entityManager.contains(this)) {
            this.entityManager.remove(this);
        } else {
            AclClass attached = AclClass.findAclClass(this.id);
            this.entityManager.remove(attached);
        }
    }

    @Transactional
    public void flush() {
        if (this.entityManager == null) this.entityManager = entityManager();
        this.entityManager.flush();
    }

    @Transactional
    public void clear() {
        if (this.entityManager == null) this.entityManager = entityManager();
        this.entityManager.clear();
    }

    @Transactional
    public br.com.educa.modelo.acl.AclClass merge() {
        if (this.entityManager == null) this.entityManager = entityManager();
        AclClass merged = this.entityManager.merge(this);
        this.entityManager.flush();
        return merged;
    }

    public String toString() {
        return ReflectionToStringBuilder.toString(this, ToStringStyle.SHORT_PREFIX_STYLE);
    }

    public String toJson() {
        return new JSONSerializer().exclude("*.class").serialize(this);
    }

    public static br.com.educa.modelo.acl.AclClass fromJsonToAclClass(String json) {
        return new JSONDeserializer<AclClass>().use(null, AclClass.class).deserialize(json);
    }

    public static String toJsonArray(Collection<br.com.educa.modelo.acl.AclClass> collection) {
        return new JSONSerializer().exclude("*.class").serialize(collection);
    }

    public static Collection<br.com.educa.modelo.acl.AclClass> fromJsonArrayToAclClasses(String json) {
        return new JSONDeserializer<List<AclClass>>().use(null, ArrayList.class).use("values", AclClass.class).deserialize(json);
    }

	public static TypedQuery<AclClass> findAclClassesByClazzEquals(String clazz) {
        if (clazz == null || clazz.length() == 0) throw new IllegalArgumentException("The clazz argument is required");
        EntityManager em = AclClass.entityManager();
        TypedQuery<AclClass> q = em.createQuery("SELECT o FROM AclClass AS o WHERE o.clazz = :clazz", AclClass.class);
        q.setParameter("clazz", clazz);
        return q;
    }
}
